ZCC4200三通道PMU 带线性充电器的Buck和Boost变换器替代ETA9073

四维电子

FEATURES
■ Three-channel PMU:Buck,Boost
1 r3 N2 m: U2 v/ S& land
, Q  v3 _9 o6 {4 e; z9 c/ G) ESuper
capacitor charger
■
wide working range: 5V-40V
) |0 N" O6 |6 R■ 3.3V 450mA Output Power for Buck
■
8 ?, `$ q* K+ P5 g1 X* S  C0 Z12V 500mA Output Power for Boost at 2.7V
2 P% C  |& F( m/ N: D2 f1 S& HInput
( ^9 z3 o9 h5 u■
1 t, J' y1 O+ h- F$ V8 j1% accuracy for Charger CV voltage and up
( c3 ?' d' V* K7 _' zto 150mA constant charge current
■
High Efficiency PFM mode at light load for
/ O( ?" v7 e% F  t5 n) p4 NBuck
■ Enable pin to auto-switch boost and charger
■
. N. d; k" T% Z: V# U9 |. BAvailable in ES0P8 and QFN3x4-24 Package
4 ^( k( ^' e" V3 zAPPLICATIONS
■ PLC modules
■ Power Meters
■ Any system that needs super capacitor as a
" ~3 ]) v- F8 abackup power
8 g( w6 t  q, U9 TDESCRIPTION
% K, y, H4 U, v# I% z, nZCC4200 is a three-channel PMU that includes a
40V input, a high efficiency synchronous buck
converter, a low startup, high efficiency 18V
boost converter and a super capacitor Charger.
  \4 l; v, h# r: T5 ?The buck converter withstands input voltage up
to 40V and delivers a 3.3V output with up to 450mA
current. The boost converter is capable of
providing up to 500mA to 12V output from a single
1 d8 x" v7 W- l3 i; W0 v# M4 ocell super capacitor or a battery at 2.7V. A
linear supercapacitor charge is also integrated with a very high accuracy CV voltage.
% a: O' `% B! EThe output voltage of boost can be adjusted by
7 |: {& o3 ^1 C! ^" z/ Bexternal resistor divider. All three power
modules are packed into a single ES0P8 and
6 C' w, k: W/ T* B* D6 L; bQFN3x4-24 package,beating the discrete
' |6 [. s& B( q, j1 F% ?7 A  gsolution in features, peRFormance, size, PCB
3 ~5 [" r" S% R7 @0 h6 T& Slayout and cost

unfaithful2021

ZCC4200是一个三通道PMU，包括40V输入，高效同步降压转换器，低启动，高效率18V升压转换器和超级电容器充电器。